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> only problem now: Additive_Blend(Color, 1, 0) on a given background-color,
is
> brighter than the background-color + Color.
Hmm, are you mixing it with colors like rgb 0? After some experimentation,
it looks like the usual interpolation of colors between additive and
non-additive colors doesn't work well (because of the trick the macro uses).
Try using only additive colors in your color map: if you need black, use
Additive_Blend(0,1,0)
> Slime's macro can be used for creating pigments that are added to what is
> *behind* the object surface. But if you want to also add several of these
> pigments to *each other*, while still using one object surface only, then
> you can still use an average where you multiply all colors (or ambient and
> diffuse values) with the number of pigments being averaged.
You should be able to use a layered texture or pigment map as usual.
- Slime
[ http://www.slimeland.com/ ]
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